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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 11:05 Post subject: Where is the fuel pump!? Trooper 3.0 1999 LWB |
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Problem, after having a knock to the rear diff with a large boulder fuel has stopped going to the engine. Taken filter off emptied, cleaned etc... You can still suck diesel through the pipes. After making a make shift tank with a milk bottle, the diesel just flows through the return valve. The Trooper will use the diesel in the pipes then cut out again. What do you guys think? Also where the hell are the fuel pump/s? |
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Posted: Mon Sep 14, 2015 11:05 Post subject: Google Ads keep this community free to join! |
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Gribble *******
Joined: 11 Oct 2007 Posts: 8448 Location: Holset H221W
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Posted: Mon Sep 14, 2015 18:29 Post subject: |
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The 3.0 sends fuel up and through the head on continuous basis and the lift pump is under the upside down looking filter thing at the front of the engine .
There is also a hand primer on top the fuel filter.
I'd say the fuel suction lines got damaged somewhere so if it won't pump fuel out the 10mm head bleed screw on the fuel filter head its from the hand prime back to look first. _________________ 2 New Troopers ! |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 18:50 Post subject: |
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The hand primer is pumping diesel through but any diesel that is in the pipes just gets used as if there is no pump or anything. |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Sep 14, 2015 20:51 Post subject: |
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so does it run if you rig up a different fuel tank? |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 21:01 Post subject: |
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No unless you force the diesel through [align=justify] |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Sep 14, 2015 21:04 Post subject: |
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are you sure the pipes are on the filter housing the right way round? |
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Gribble *******
Joined: 11 Oct 2007 Posts: 8448 Location: Holset H221W
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Posted: Mon Sep 14, 2015 21:07 Post subject: |
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Milk bottle was used
Do keep up eithan.
_________________ 2 New Troopers ! |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 21:08 Post subject: |
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Yeah, as it was working fine and I have also bi-passed the filter and same problem occured. |
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Gribble *******
Joined: 11 Oct 2007 Posts: 8448 Location: Holset H221W
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Posted: Mon Sep 14, 2015 21:11 Post subject: |
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Did the rock whack anything else when you went over it ? _________________ 2 New Troopers ! |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 21:16 Post subject: |
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Probably tray under tank and tow bar |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Sep 14, 2015 21:17 Post subject: |
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it's my age i am nearly 40 you know lol
it's interesting as i got one that does a similar thing, it starts fine but after a few hundred yards it conks out and you have to crank it over and over to get it going then it runs ok for the rest of the day,
when it cuts out does it start again after a few minutes? |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 21:23 Post subject: |
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No unless you fill fuel pipes full of diesel AFTER the filter |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Sep 14, 2015 21:29 Post subject: |
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so if you bypass the filter housing using a different fuel tank it still won't carry on running? it just uses the fuel in the pipe then cuts out? |
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mcdonough572 Newbie
Joined: 12 Sep 2015 Posts: 7 Location: Rothbury
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Posted: Mon Sep 14, 2015 21:33 Post subject: |
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Yes that is right |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon Sep 14, 2015 21:41 Post subject: |
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then it's got to be the lift pump as thats the only thing in the system, it can't be either sucking or pushing. it would be very rare though as it's normally bulletproof. |
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